https://devzone.nordicsemi.com/f/nordic-q-a/127429/npm1300-charge-indication-ledHi, I am using the nPM1300 PMIC and the LED drivers configured so that: Green LED = charging status (PMIC-driven) Red LED = error indication Normally, when charging, the green LED is solid ON, and when there is an error the red LEDen-USTelligent Community 13Tue, 17 Mar 2026 11:59:04 GMThttps://devzone.nordicsemi.com/thread/563435?ContentTypeID=1Tue, 17 Mar 2026 11:59:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0dda08c0-58a9-45f6-ae4f-d638af620613Szabolcs<p>Hi Jerome!</p> <p>It sounds like the device is trying to start charging periodically, but always fails to do so.&nbsp;I have a few questions/pointers to help you debug the problem:</p> <ol> <li>Does the blinking stop after a while, or goes on indefinitely?</li> <li>What hardware are you using, is it a DK/EK or a custom board?</li> <li>Can you share some logging info (e.g.&nbsp;<span>Record Events option of nPM PowerUP)?</span></li> <li>What kind of battery are you using, how is its condition?</li> <li>What is the state/%/voltage of the battery?</li> <li>Did you try multiple batteries?</li> <li>What is the frequency of the blinking of the LED?</li> <li>Is the VBUS voltage stable?</li> <li>Can you show VBUS, VBAT, and the LED voltage on an oscilloscope plot? (All the same time.)</li> <li>What is the battery charging current?</li> </ol><div style="clear:both;"></div>